wheel简单

They’ve helped pull wheeled vehicles, carry travelers and move goods across the world.

它们帮助人类拉车、驮运旅人，并把货物运往世界各地。

The robot rats were quite minimalist, resembling a chunkier version of a computer mouse with wheels to move around and colourful markings.

这些机器鼠的设计相当简单，看起来像是一个更厚实的电脑鼠标，装有用来四处移动的轮子，并带有彩色标记。

The robot was the same size as a regular rat but resembled a simple plastic box on wheels.

这个机器人和普通老鼠一样大，但看起来就像一个装着轮子的简单塑料盒。

can be scared by a plastic box on wheels.

可能会被装着轮子的塑料盒吓到。